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DIN ISO 11262 E : 2012

Current
Current

The latest, up-to-date edition.

SOIL QUALITY - DETERMINATION OF TOTAL CYANIDE (ISO 11262:2011)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2012

National foreword
National Annex NA (informative) - Bibliography
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sample preservation and preparation
8 Direct liberation using orthophosphoric acid
9 Determination of cyanide - Photometric method
10 Determination of cyanide - Titrimetric method
   using an indicator
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Precision data
Annex B (informative) - Extraction with sodium hydroxide
        solution and subsequent liberation using
        orthophosphoric acid
Annex C (informative) - Comparison of the direct liberation
        of total cyanide and sodium hydroxide extraction with
        subsequent liberation
Bibliography

Applies to as-received (field-moist) samples and specifies two different procedures for the liberation of cyanide from the soil: - direct liberation of hydrogen cyanide using orthophosphoric acid (normative); - extraction with sodium hydroxide solution and subsequent liberation using orthophosphoric acid.

DocumentType
Standard
Pages
20
PublisherName
German Institute for Standardisation (Deutsches Institut für Normung)
Status
Current

Standards Relationship
ISO 11262:2011 Identical

ISO 4793:1980 Laboratory sintered (fritted) filters — Porosity grading, classification and designation
ISO 17380:2013 Soil quality — Determination of total cyanide and easily liberatable cyanide — Continuous-flow analysis method
DIN ISO 5725-2:2002-12 Accuracy (trueness and precision) of measurement methods and results - Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method (ISO 5725-2:1994 including Technical Corrigendum 1:2002)
DIN 19747:2009-07 INVESTIGATION OF SOLIDS - PRE-TREATMENT, PREPARATION AND PROCESSING OF SAMPLES FOR CHEMICAL, BIOLOGICAL AND PHYSICAL INVESTIGATIONS
ISO 11464:2006 Soil quality Pretreatment of samples for physico-chemical analysis
ISO 9297:1989 Water quality Determination of chloride Silver nitrate titration with chromate indicator (Mohr's method)
ISO 14507:2003 Soil quality Pretreatment of samples for determination of organic contaminants
ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
NEN 6655 : 1997 WATER AND SOIL - PHOTOMETRIC DETERMINATION OF THE CONTENT OF TOTAL AND FREE CYANIDE BY CONTINUOUS FLOW ANALYSIS
DIN ISO 11465:1996-12 SOIL QUALITY - DETERMINATION OF DRY MATTER AND WATER CONTENT ON A MASS BASIS - GRAVIMETRIC METHOD
DIN ISO 3696:1991-06 WATER FOR ANALYTICAL LABORATORY USE - SPECIFICATION AND TEST METHODS

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